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2022-09-13

Parameters of the Probability Density Function of Fluctuations of the Apparent Radiation Center from the Helicopter Propeller Hub

By Maksim Stepanov
Progress In Electromagnetics Research Letters, Vol. 106, 103-110, 2022
doi:10.2528/PIERL22062203

Abstract

The properties of the angular glint of radar reflections from the propeller hub are considered. Analytical expressions were obtained based on a known multipoint geometric model of the propeller hub to calculate the probability density function parameters of angular glint for the planes, azimuth, and elevation angle for a single-blade rotor at an arbitrary rotation angle of the head. The relations obtained for a propeller hub with a single blade are generalized to the case of a propeller hub with an arbitrary number of blades. It is shown that the angular glint of the propeller hub is a random process with periodically changing parameters. The theoretical results are confirmed by mathematical modeling.

Citation


Maksim Stepanov, "Parameters of the Probability Density Function of Fluctuations of the Apparent Radiation Center from the Helicopter Propeller Hub," Progress In Electromagnetics Research Letters, Vol. 106, 103-110, 2022.
doi:10.2528/PIERL22062203
http://jpier.org/PIERL/pier.php?paper=22062203

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